body {
  background: #f6f8fa;
  font-family: 'Segoe UI', 'Arial', sans-serif;
  margin: 0;
  padding: 0;
}

.navbar {
  background: #1976d2;
  color: #fff;
  padding: 0 30px;
  height: 56px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.navbar a {
  color: #fff;
  text-decoration: none;
  margin-right: 24px;
  font-weight: 500;
  font-size: 16px;
  transition: color 0.2s;
}
.navbar a:hover {
  color: #ffeb3b;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  padding: 32px 24px;
  margin: 32px auto;
  max-width: 700px;
}

input, select, button {
  border-radius: 6px;
  border: 1px solid #d0d7de;
  padding: 8px 12px;
  font-size: 15px;
  outline: none;
  margin-bottom: 8px;
}
input:focus, select:focus {
  border-color: #1976d2;
}
button {
  background: #1976d2;
  color: #fff;
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s;
}
button:hover {
  background: #1565c0;
}

table {
  border-collapse: collapse;
  width: 100%;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  margin-top: 12px;
}
th, td {
  padding: 10px 12px;
  border-bottom: 1px solid #e0e0e0;
  text-align: left;
}
th {
  background: #f0f4f8;
}

h2, h3 {
  color: #1976d2;
} 